CN112848049A - Internal circulation injection molding die assembly equipment - Google Patents

Abstract

The invention discloses an internal circulation injection molding die assembly device, which is structurally provided with an operation device, a header tank, a side control box, a film cavity and a push-down frame, wherein the operation device is fixedly arranged at one side of the top of the header tank, the side control box is arranged at the other side of the top of the header tank, the film cavity is arranged between the side control box and the operation device, the push-down frame is connected above the header tank and is movably matched with the header tank, hot melt generates thrust on a movable body and moves towards a front port of an injection area, extrusion force is transmitted to a bag through a bag lifting spring to force, the force is transmitted to the bag due to the high elasticity of the bag, the reverse force generated by the interaction of the reverse force is assisted to the bag lifting spring, so that the bag lifting spring can favorably bag tough bud blocks to change in amplitude, the force borne by buffering the tough bud blocks, the tough bud blocks can better swing, the top folding end controls the changed swing range of the bag, the external extrusion force of a swing valve is changed along with the integral deformation, the tough bud blocks are under the elastic reverse supporting, can better generate reverse swing change and is beneficial to the close contact of the rear hinge block and the wall edge of the injection area cavity.

Description

Internal circulation injection molding die assembly equipment

Technical Field

The invention belongs to the field of equipment for injection molding and die assembly, and particularly relates to internal circulation injection molding and die assembly equipment.

Background

The injection molding and die assembly equipment is important manufacturing equipment for producing plastic products in life, and is characterized in that hot-melt plastic fluid is pressed into a forming die by utilizing a pressurizing device on an injection molding machine, then a formed plastic part is rapidly cooled by internal circulating cooling water in the die, and then the die is removed, so that the plastic workpiece is manufactured.

Based on the discovery of the inventor, the existing internal circulation injection mold closing equipment has the following defects:

the head of moulding plastics finishes after the injection, and the piece is moulded in the shaping in cooling water watering die cavity, because the rifle of moulding plastics does not keep away from with the die cavity, and the remaining hot melt material of its top end receives instantaneous cooling low temperature, and contracts rapidly, and the adhesion that condenses easily on the chamber wall for when continuing to use, new hot melt material flows through and is obstructed, influences the efficiency of the compound die of moulding plastics.

It is therefore desirable to provide an internal circulation injection mold clamping apparatus.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an internal circulation injection molding and die assembling device to solve the problems in the prior art.

In order to achieve the purpose, the invention is realized by the following technical scheme: the internal circulation injection molding and die assembling equipment is structurally provided with an operation device, a header box, a side control box, a film cavity and a push-down frame, wherein the operation device is fixedly arranged at one side of the top of the header box, the side control box is arranged at the other side of the top of the header box, the film cavity is arranged between the side control box and the operation device, and the push-down frame is connected above the header box and is in movable fit with the header box.

The operation device is equipped with the device of moulding plastics, propulsion case, incasement room, goes into the hopper, the inside rear side position in incasement room is connected in the propulsion case embedding, the device embedding activity of moulding plastics is in incasement room, go into hopper through connection in incasement room top, go into the hopper and cooperate with the device of moulding plastics, the propulsion case is connected just clearance fit with the device end of moulding plastics.

As a further improvement of the invention, the injection molding device is provided with an injection region, a material chamber, a material passing port and a screw rod, wherein the material chamber and the injection region are of an integrated structure and are arranged on the rear side of the injection region in a penetrating manner, the material passing port is arranged at the top end of the material chamber in a penetrating manner, the screw rod is embedded and connected in the material chamber, the diameter width of the injection region is gradually reduced from back to front, and the screw rod moves to extrude hot melt from the front end of the injection region.

As a further improvement of the invention, the injection area is provided with a movable body, a pulling spring, an inner wall chamber and guide rods, the tail end of the movable body is embedded in the inner wall chamber movably, the guide rods are positioned in the inner wall chamber, the movable body is in sliding fit with the guide rods, the pulling spring is embedded in the inner wall chamber movably, the pulling spring is connected with the movable body and is in movable fit with the movable body, the two movable bodies are symmetrically distributed at the upper end and the lower end, and the movable body is pushed by heated molten material to displace.

As a further improvement of the invention, the movable body is provided with a hinged pulley, a pocket lifting spring, a force direction pocket, a tough bud block and a rear hinged block, the upper end of the pocket lifting spring is movably connected with the hinged pulley, the lower end of the pocket lifting spring is hinged and movably matched with the upper end of the tough bud block, the force direction pocket is embedded and connected to the inner side of the pocket lifting spring and movably matched with the pocket lifting spring, the rear hinged block is hinged and connected to one side end position of the tough bud block, the pocket lifting spring is in a pocket arc shape and made of hard silica gel material and has certain toughness, the force direction pocket is made of elastic body material with excellent elasticity, and the tough bud block is in a crescent shape.

As a further improvement of the invention, the tough bud block is provided with an external edge, a top folding end, a middle transforming bag, a swing force flap, an extrusion tail and a tough supporting block, the external edge is arranged at the outer side of the middle transforming bag, the top folding end is connected above the middle transforming bag, the swing force flap is embedded and connected in the middle transforming bag and movably matched with the middle transforming bag, the extrusion tail is positioned at the tail end of the tough bud block, the tough supporting block is embedded and movably arranged at the lower end of the tough bud block, the tough supporting block and the extrusion tail are mutually matched, the swing force flap is provided with two flaps which are in a flap shape and made of rubber, so that the tough bud block has good flexibility and elasticity, and the swing force flap is reversely arranged, and the tough supporting block is a rubber rod-shaped object and has a certain toughness and supporting force.

As a further improvement of the invention, the external edge is provided with a soft edge, an inner embedding glue, an arch spring and a vertex angle, the inner embedding glue is embedded in the external edge and is adjacently connected with the soft edge, the arch spring is movably connected with the inner embedding glue, the vertex angle is movably clamped with the arch spring, the soft edge is made of butadiene rubber and has excellent dragging performance, the arch spring is in an arch shape and has certain elastic force, and the inner embedding glue is made of soft rubber.

As a further improvement of the invention, the rear hinge block is provided with a hook chisel block, a bag variable cavity, a pressure rod and a weight ball, the hook chisel block and the bag variable cavity are integrated and arranged above the hook chisel block, the pressure rod is embedded and connected in the bag variable cavity, the weight ball is connected to the tail end of the pressure rod in a penetrating manner, the hook chisel block is made of resin and has a hard force, the weight ball has a weight pressure towards a lower chisel of the hook chisel block, and the bag variable cavity is integrally deformed by an external force to serve as a guide buffer.

Compared with the prior art, the invention has the following beneficial effects:

1. hot melt material produces thrust to the activity body, and move to injection zone front end mouth, tough bud piece is the activity of hinge pendulum, carry the spring to power conduction extrusion power to the bag through the pocket, by the high elastic force nature of power to bag self, the counterforce that its interact produced is assisted and is acted on pocket and carries the spring, and do benefit to pocket and carry the spring pocket and carry out amplitude variation following tough bud piece, cushion the power that tough bud piece received, let the tough bud piece can be better carry out the pendulum to, the range of the pendulum of change bag in the end control of top folding, the external extrusion force of pendulum power sensing lamella, change along with whole deformation, tough bud piece is under the elasticity of pendulum power lamella props against the apical force, can be better production reverse pendulum changes, do benefit to back hinge piece and injection zone chamber wall limit closely touch and connect.

2. When the rear hinge block is subjected to a certain deformation force, the hinged tough bud block swings to some extent, downward concave extrusion force is generated due to the elastic property of the variable cavity of the bag, the pressing rod is always in an arc shape, and hinge buckling swing movement is carried out under the heavy pressure action of the heavy ball, so that pressure is always applied to the rear side opening of the lower chisel of the hook chisel block, the position integral shape is convenient, when the rear hinge block is deformed to some extent, the lower chisel force is still greater than the deformation force, the hook chisel block is favorably contacted with the side end of the cavity wall, and attachments on the wall surface are removed in a sliding mode in displacement.

Drawings

FIG. 1 is a schematic structural diagram of an internal circulation injection mold clamping device of the present invention.

Fig. 2 is a schematic view of an internal cross-sectional structure of an operating device according to the present invention.

FIG. 3 is a schematic view of the internal cross-sectional structure of an injection molding apparatus according to the present invention.

FIG. 4 is a schematic view of the internal cross-section of an injection zone of the present invention.

Fig. 5 is a schematic view showing an internal sectional structure of a movable body according to the present invention.

FIG. 6 is a schematic view of the internal cross-sectional structure of a tough bud block according to the present invention.

FIG. 7 is a schematic view of an internal cross-sectional structure of an external edge according to the present invention.

Fig. 8 is a schematic view showing an internal sectional structure of a rear hinge block according to the present invention.

In the figure: running gear-1, header tank-2, side control tank-3, film cavity-4, push-drop frame-5, injection molding device-11, push box-12, tank inner chamber-13, feeding hopper-14, injection zone-111, material chamber-112, material feeding port-113, screw-114, movable body-a 1, pull spring-a 2, wall inner chamber-a 3, guide rod-a 4, hinge pulley-a 11, pocket lifting spring-a 12, force direction bag-a 13, tough bud block-a 14, back hinge block-a 15, external side-z 1, top folding end-z 2, middle changing bag-z 3, swing force flap-z 4, extrusion tail-z 5, tough supporting block-z 6, soft strip side-z 11, embedded glue-z 12, arch spring-z 13, top angle-z 14, chisel block-q 1, hook block-q-b-z 3683, A capsule variable cavity-q 2, a press rod-q 3 and a weight bias ball-q 4.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example 1:

as shown in figures 1 to 7:

the invention provides an internal circulation injection molding and die assembly device which is structurally provided with an operation device 1, a header tank 2, a side control box 3, a film cavity 4 and a push-and-drop frame 5, wherein the operation device 1 is fixedly arranged at one side of the top of the header tank 2, the side control box 3 is arranged at the other side of the top of the header tank 2, the film cavity 4 is arranged between the side control box 3 and the operation device 1, and the push-and-drop frame 5 is connected above the header tank 2 and is in movable fit with the header tank 2.

The operation device 1 is equipped with injection molding device 11, propulsion case 12, case inner chamber 13, goes into hopper 14, propulsion case 12 embedding is connected at the inside rear side position of case inner chamber 13, the device 11 embedding activity of moulding plastics is in case inner chamber 13, go into hopper 14 through connection in case inner chamber 13 top, go into hopper 14 and the device 11 cooperation of moulding plastics, propulsion case 12 and the 11 end of injection molding device are connected and clearance fit.

The injection molding device 11 is provided with an injection region 111, a material chamber 112, a material passing port 113 and a screw 114, the material chamber 112 and the injection region 111 are of an integrated structure and are arranged on the rear side of the material chamber in a penetrating manner, the material passing port 113 is arranged at the top end of the material chamber 112 in a penetrating manner, the screw 114 is embedded and connected inside the material chamber 112, the diameter width of the injection region 111 is gradually reduced from back to front, and the screw 114 performs pushing movement to extrude hot melt from the front end of the injection region 111.

The injection region 111 is provided with a movable body a1, a pulling spring a2, an inner wall chamber a3 and a guide rod a4, the tail end of the movable body a1 is embedded in the inner wall chamber a3, the guide rod a4 is located in the inner wall chamber a3, the movable body a1 is in sliding fit with the guide rod a4, the pulling spring a2 is embedded in the inner wall chamber a3, the pulling spring a2 is connected with and movably matched with the movable body a1, the two movable bodies a1 are symmetrically distributed at the upper end and the lower end, the movable body a1 is pushed by heat to push the molten material to displace, the pulling spring a2 generates a pulling force on the movable body a1 to assist the resetting of the movable body, and the movable body a1 can slide back and forth along the inner cavity wall of the injection region 111 to displace.

The movable body a1 is provided with a hinged pulley a11, a pocket lifting spring a12, a force direction pocket a13, a tough bud block a14 and a rear hinged block a15, the upper end of the pocket lifting spring a12 is movably connected with the hinged pulley a11, the lower end of the pocket lifting spring a12 is hinged and movably matched with the upper end of the tough bud block a14, the force direction pocket a13 is embedded and connected to the inner side of the pocket lifting spring a12 and movably matched with the pocket lifting spring a12, the rear hinged block a15 is hinged and connected to one side end of the tough bud block a14, the pocket lifting spring a12 is in a pocket arc shape and made of hard silica gel and has certain toughness, the force direction pocket a13 is made of an elastic body with excellent elasticity, the tough bud block a14 is in a crescent shape, the tough bud block a14 deforms along with the force, the force direction pocket lifting spring a13 is stressed, and easily generates reverse force to interact with the pocket lifting spring a12 to assist the tough bud block a14 to deform integrally and buffer the tough bud.

The tough bud block a14 is provided with an external connecting edge z1, a top folding end z2, a middle transforming sac z3, a pendulum force flap z4, an extrusion tail z5 and a tough support block z6, the external connecting edge z1 is arranged on the outer side of the middle transforming sac z3, the top folding end z2 is connected above the middle transforming sac z3, the pendulum force flap z4 is embedded and connected in the middle transforming sac z3 and is movably matched, the extrusion tail z5 is positioned at the tail end position of the tough bud block a14, the tough support block z6 is embedded and is movably arranged at the lower end position of the tough bud block a14, the tough support block z6 is matched with the extrusion tail z5, the pendulum force flap z4 is provided with two flaps which are flap-shaped, are made of rubber, have good flexible elasticity and are arranged in an opposite direction, the tough support block z6 is a rubber rod-shaped object and has a certain tenacity support force, and the pendulum force flap z4 assists in generating an overall reverse force.

The outer connecting edge z1 is provided with a soft edge z11, an embedded rubber z12, an arch spring z13 and a vertex angle z14, the embedded rubber z12 is embedded in the outer connecting edge z1 and is adjacently connected with the soft edge z11, the arch spring z13 is movably connected with the embedded rubber z12, the vertex angle z14 is movably clamped with the arch spring z13, the soft edge z11 is made of butadiene rubber and has excellent traction performance, the arch spring z13 is in an arch shape and has certain elastic force, the embedded rubber z12 is made of soft rubber, the soft edge z11 extends and contracts along with deformation force to drive the arch spring z13 to perform protruding movement, and the vertex angle z14 is favorable for ejecting and removing an external object.

The specific use mode and function of the embodiment are as follows: personnel start the injection molding work of the mold by throwing hot melt into the feeding hopper 14 and entering the material chamber 112 through the material passing opening 113, adjusting the side control box 3, pushing the injection molding device 11 to move back and forth by the pushing box 12, so that the injection molding device is clamped and penetrated into the film cavity 4, then the hot melt is pushed and extruded under the forward pushing and pushing cooperation of the screw 114 and is injected into the mold through the injection area 111, the hot melt generates pushing force to the movable body a1 in the flowing process, so that the movable body a is stressed to pull the spring a2 to move towards the front port of the injection area 111, the tough block a14 is hinged by the pushing force of the hot melt, the extrusion force is transmitted to the bag a13 through the pocket lifting spring a12, the high elasticity property of the bag a13 is realized by the force, the reverse force generated by the interaction of the reverse force is assisted to the lifting pocket spring a12, the amplitude change of the tough block a12 is favorably realized by following the bud block a2, the high elasticity of the bud 14 is buffered, and the bud 14 can be better swung towards the bud 493, the top folding end z2 integrally plays a role of top supporting force for the tough bud block a14, and simultaneously controls the swing range of the middle bellows z3, the swing force flap z4 can sense external extrusion force in the interior and change along with the integral deformation, when the tough bud block a14 deforms to a certain degree in the arc direction, reverse swing can be better generated under the elastic reverse supporting jacking force of the swing force flap z4, the close contact between the rear hinge block a15 and the wall edge of the injection area 111 cavity is facilitated, in the swing direction deformation process, the arch spring z13 is extruded differently to do arc-shaped arch movement, so that the vertex angle z14 is more protruded, and coagulated plastics are ejected.

Example 2:

as shown in fig. 8:

wherein, back hinge piece a15 is equipped with and colludes chisel piece q1, bag and becomes chamber q2, pressure stick q3, partial weight ball q4, collude chisel piece q1 and bag and become chamber q2 as an organic whole and establish above it, it connects in bag becomes chamber q2 to press the embedding of stick q3, partial weight ball q4 is worn to connect at pressure stick q3 terminally, collude chisel piece q1 and be the resin material, have hard power, partial weight ball q4 has the weight pressure of cutting under to colluding chisel piece q1, bag becomes chamber q2 and makes the direction buffering for whole external force deformation, and partial weight ball q 4's weight makes colluding piece q1 have the driving force of chisel down all the time, does benefit to its attachment on with the chamber wall and shifts the shovel.

The specific use mode and function of the embodiment are as follows: when the tough bud block a14 is subjected to swing deformation, the rear hinge block a15 is subjected to a certain deformation force, the hinged tough bud block a14 swings and swings, the elastic property of the bag deformation cavity q2 enables the rear hinge block a15 to generate downward concave extrusion force after being stressed, the pressing rod q3 is always in an arc shape, and under the heavy pressure action of the weight bias ball q4, hinging, buckling and swinging movement is carried out, a rear side opening pressure of the downward chisel of the hook block q1 is always provided, so that the position integral shape is facilitated, when the position is deformed, the downward chisel force is still larger than the deformation force, and the hook block q1 is favorably in contact with the side end of the cavity wall to push away attachments on the wall surface in a sliding manner.

The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.

Claims (7)

1. The utility model provides an inner loop compound die equipment of moulding plastics, its structure is equipped with running gear (1), header tank (2), side accuse case (3), die cavity (4), pushes away and falls frame (5), running gear (1) is fixed to be located header tank (2) top one side position, side accuse case (3) are installed in header tank (2) top opposite side, die cavity (4) are located between side accuse case (3) and running gear (1), it connects in header tank (2) top and clearance fit, its characterized in that to push away and fall frame (5):

running device (1) is equipped with injection molding device (11), propulsion case (12), case inner chamber (13), goes into hopper (14), propulsion case (12) embedding is connected at the inside rear side position of case inner chamber (13), device (11) embedding activity of moulding plastics is in case inner chamber (13), go into hopper (14) through connection in case inner chamber (13) top, go into hopper (14) and cooperate with injection molding device (11), it is connected just clearance fit with injection molding device (11) end to push away case (12).

2. An internal circulation injection mold clamping apparatus as claimed in claim 1, wherein: injection moulding device (11) are equipped with injection zone (111), material room (112), lead to material mouth (113), screw rod (114), material room (112) just link up the setting in its rear side with injection zone (111) for the integral structure, lead to material mouth (113) and link up the top of establishing in material room (112), screw rod (114) embedding is connected inside material room (112).

3. An internal circulation injection mold clamping apparatus as claimed in claim 2, wherein: the injection region (111) is provided with a movable body (a1), a pulling spring (a2), an inner wall chamber (a3) and a guide rod (a4), the tail end of the movable body (a1) is embedded in the inner wall chamber (a3), the guide rod (a4) is positioned in the inner wall chamber (a3), the movable body (a1) is in sliding fit with the guide rod (a4), the pulling spring (a2) is embedded in the inner wall chamber (a3), and the pulling spring (a2) is connected with and movably fitted with the movable body (a 1).

4. An internal circulation injection mold clamping apparatus as claimed in claim 3, wherein: the activity body (a1) is equipped with hinge pulley (a11), pocket and carries spring (a12), power to bag (a13), tough bud piece (a14), back hinge piece (a15), pocket is carried spring (a12) upper end and hinge pulley (a11) swing joint, pocket is carried spring (a12) lower extreme and is carried and be connected and clearance fit with tough bud piece (a14) upper end is articulated, power is connected in pocket and is carried spring (a12) inboard and clearance fit to bag (a13) embedding, back hinge piece (a15) is articulated to be connected in a side end position of tough bud piece (a 14).

5. An internal circulation injection mold clamping apparatus as claimed in claim 4, wherein: the tough bud block (a14) is provided with an outer connecting edge (z1), a top folding end (z2), a middle transforming sac (z3), a swing force flap (z4), an extrusion transforming tail (z5) and a tough supporting block (z6), the outer connecting edge (z1) is arranged on the outer side of the middle transforming sac (z3), the top folding end (z2) is connected above the middle transforming sac (z3), the swing force flap (z4) is connected in the middle transforming sac (z3) in an embedded mode and movably matched mode, the extrusion transforming tail (z5) is located at the tail end position of the tough bud block (z14), the tough supporting block (z6) is embedded and movably located at the lower end position of the tough bud block (a14), and the tough supporting block (z6) and the extrusion transforming tail (z5) are matched with each other.

6. An internal circulation injection mold clamping apparatus as claimed in claim 5, wherein: the outer connecting edge (z1) is provided with a soft edge (z11), embedded glue (z12), an arch spring (z13) and a vertex angle (z14), the embedded glue (z12) is embedded in the outer connecting edge (z1) and is adjacently connected with the soft edge (z11), the arch spring (z13) is movably connected with the embedded glue (z12), and the vertex angle (z14) is movably clamped with the arch spring (z 13).

7. An internal circulation injection mold clamping apparatus as claimed in claim 4, wherein: the back hinge piece (a15) is equipped with colludes chisel piece (q1), bag and becomes chamber (q2), pressure stick (q3), partial weight ball (q4), collude chisel piece (q1) and bag and become chamber (q2) for the integration and establish above it, press stick (q3) embedding to connect in bag becomes chamber (q2), partial weight ball (q4) cross-under is at pressure stick (q3) terminal.

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